diff --git a/package-lock.json b/package-lock.json
index 7a148b0..9b7e948 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -452,6 +452,38 @@
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@@ -2105,6 +2238,12 @@
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@@ -2447,6 +2597,22 @@
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@@ -3295,12 +3470,6 @@
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@@ -3379,6 +3548,21 @@
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+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
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+    },
+    "mime-types": {
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+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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+      "dev": true,
+      "requires": {
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       "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
@@ -3565,6 +3749,18 @@
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       "integrity": "sha1-eumwew6oBNt+JfBctf5Al9TklJ8="
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+    "nwsapi": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/nwsapi/-/nwsapi-2.2.0.tgz",
+      "integrity": "sha512-h2AatdwYH+JHiZpv7pt/gSX1XoRGb7L/qSIeuqA6GwYoF9w1vP1cw42TO0aI2pNyshRK5893hNSl+1//vHK7hQ==",
+      "dev": true
+    },
+    "oauth-sign": {
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
+      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==",
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+    },
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@@ -3741,6 +3937,12 @@
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+    "performance-now": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
+      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==",
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+    },
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       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -3812,6 +4014,12 @@
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+    "qs": {
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
+      "integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
@@ -4643,6 +4851,15 @@
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+    "saxes": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/saxes/-/saxes-5.0.1.tgz",
+      "integrity": "sha512-5LBh1Tls8c9xgGjw3QrMwETmTMVk0oFgvrFSvWx62llR2hcEInrKNZ2GZCCuuy2lvWrdl5jhbpeqc5hRYKFOcw==",
+      "dev": true,
+      "requires": {
+        "xmlchars": "^2.2.0"
+      }
+    },
     "select": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
@@ -5373,6 +5590,12 @@
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       "dev": true
     },
+    "uuid": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+      "dev": true
+    },
     "verror": {
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       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -5390,6 +5613,32 @@
         }
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     },
+    "w3c-hr-time": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz",
+      "integrity": "sha512-z8P5DvDNjKDoFIHK7q8r8lackT6l+jo/Ye3HOle7l9nICP9lf1Ci25fy9vHd0JOWewkIFzXIEig3TdKT7JQ5fQ==",
+      "dev": true,
+      "requires": {
+        "browser-process-hrtime": "^1.0.0"
+      }
+    },
+    "w3c-xmlserializer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz",
+      "integrity": "sha512-4tzD0mF8iSiMiNs30BiLO3EpfGLZUT2MSX/G+o7ZywDzliWQ3OPtTZ0PTC3B3ca1UAf4cJMHB+2Bf56EriJuRA==",
+      "dev": true,
+      "requires": {
+        "xml-name-validator": "^3.0.0"
+      },
+      "dependencies": {
+        "xml-name-validator": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
+          "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==",
+          "dev": true
+        }
+      }
+    },
     "webidl-conversions": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.1.tgz",
@@ -5403,6 +5652,12 @@
         "iconv-lite": "0.4.13"
       }
     },
+    "whatwg-mimetype": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz",
+      "integrity": "sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==",
+      "dev": true
+    },
     "whatwg-url": {
       "version": "4.8.0",
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-4.8.0.tgz",
@@ -5454,6 +5709,12 @@
         "mkdirp": "^0.5.1"
       }
     },
+    "ws": {
+      "version": "7.5.8",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.8.tgz",
+      "integrity": "sha512-ri1Id1WinAX5Jqn9HejiGb8crfRio0Qgu8+MtL36rlTA6RLsMdWt1Az/19A2Qij6uSHUMphEFaTKa4WG+UNHNw==",
+      "dev": true
+    },
     "xml-name-validator": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-2.0.1.tgz",
@@ -5478,6 +5739,12 @@
         "lodash": "^4.0.0"
       }
     },
+    "xmlchars": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
+      "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
+      "dev": true
+    },
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
diff --git a/package.json b/package.json
index a365955..7131c84 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
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     "eslint-config-google": "^0.9.1",
     "js-yaml": "^3.13.1",
-    "jsdom": "11.3.0",
+    "jsdom": "16.5.0",
     "jsdom-global": "3.0.2",
     "marked": "^0.8.2",
     "mocha": "^5.2.0",